7+18r+-3=5r+20-3r

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Solution for 7+18r+-3=5r+20-3r equation:


Simplifying
7 + 18r + -3 = 5r + 20 + -3r

Reorder the terms:
7 + -3 + 18r = 5r + 20 + -3r

Combine like terms: 7 + -3 = 4
4 + 18r = 5r + 20 + -3r

Reorder the terms:
4 + 18r = 20 + 5r + -3r

Combine like terms: 5r + -3r = 2r
4 + 18r = 20 + 2r

Solving
4 + 18r = 20 + 2r

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '-2r' to each side of the equation.
4 + 18r + -2r = 20 + 2r + -2r

Combine like terms: 18r + -2r = 16r
4 + 16r = 20 + 2r + -2r

Combine like terms: 2r + -2r = 0
4 + 16r = 20 + 0
4 + 16r = 20

Add '-4' to each side of the equation.
4 + -4 + 16r = 20 + -4

Combine like terms: 4 + -4 = 0
0 + 16r = 20 + -4
16r = 20 + -4

Combine like terms: 20 + -4 = 16
16r = 16

Divide each side by '16'.
r = 1

Simplifying
r = 1

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